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diff --git a/src/LightDirectory.hxx b/src/LightDirectory.hxx
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+++ b/src/LightDirectory.hxx
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+/*
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_LIGHT_DIRECTORY_HXX
+#define MPD_LIGHT_DIRECTORY_HXX
+
+#include "Compiler.h"
+
+#include <string>
+
+#include <time.h>
+
+struct Tag;
+
+/**
+ * A reference to a directory.  Unlike the #Directory class, this one
+ * consists only of pointers.  It is supposed to be as light as
+ * possible while still providing all the information MPD has about a
+ * directory.  This class does not manage any memory, and the pointers
+ * become invalid quickly.  Only to be used to pass around during
+ * well-defined situations.
+ */
+struct LightDirectory {
+	const char *uri;
+
+	time_t mtime;
+
+	constexpr LightDirectory(const char *_uri, time_t _mtime)
+		:uri(_uri), mtime(_mtime) {}
+
+	static constexpr LightDirectory Root() {
+		return LightDirectory("", 0);
+	}
+
+	bool IsRoot() const {
+		return *uri == 0;
+	}
+
+	gcc_pure
+	const char *GetPath() const {
+		return uri;
+	}
+};
+
+#endif